June 5 is World Environment Day. This year’s theme is “One Earth”, the same motto that had the first Stockholm Conference in 1972, and that is that 50 years ago the UN established the United Nations Environment Programme (UNEP). The objective of this day is to promote awareness and global action for the environment. It has become a platform for environmental public dissemination and to promote progress towards the Sustainable Development Goals. This year’s slogan “One Earth” highlights the need to…